18994911 is an odd 8-digits composite number following 18994910
and preceding 18994912 . In scientific notation, it is written as 1.8994911 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 11689152 positive integers (up to 18994911) that are relatively prime to 18994911.
18994911 has 8 divisors, whose sum is 27274800
The reverse of 18994911 is 11949981
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighteen million nine hundred ninety-four thousand nine hundred eleven
Scientific notation
1.8994911 × 10^7
Engineering notation
1.8994911 × 10^6
Prime Factorization
3 × 13 × 487049
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18994911
Product of the distinct prime numbers
The prime factorization of 18994911 is 3 × 13 × 487049.
Since it has a total of 3 prime factors.
6 , 3 , 18 , 22 , 110 , 273 , 1810 , 8999 , 21995 , 17295 , 89806 , 52277 , 1668350 , 6532187 , 88576622 , 98059385 , 788353142 , 687511765 , 920907020 , 632455549
n×2
37989822
n×3
56984733
n×4
75979644
n×5
94974555
n÷2
9497455.5
n÷3
6331637
n÷3
4748727.75
n÷5
3798982.2
n2
360806643897921
n3
6.8534900890497E+21
n4
1.3018143428088E+29
n5
2.4727847580177E+36
2 √n
4358.3151561125
3 √n
266.81633906771
4 √n
66.017536731633
5 √n
28.557977862469
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18994910
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18994911 can be divided by 8 positive divisors.
The sum of these divisors (counting 18994911) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000011101011011011111
3
Ternary
1022202001010020
4
Quaternary
1020131123133
5
Quinary
14330314121
6
Senary
1515043223
8
Octal
110353337
10
Decimal
18994911
12
Duodecimal
6440513
16
Hexadecimal
121d6df
20
Vigesimal
5ie75b
36
Base36
bb4kf
md5
f92738e2b36d2322d216f9dadf87b20b
sha1
b8084cd6a934f51e922c7b1af7dad5d84fa56820
sha256
77a15a18bc8278059f1c658816fcdf844e75959fad855cee750927737999ccd4
sha512
f551c273453e6df21f7c5d8606fcdd1768a741920b928af468dce8ecf52b4c64b34c63402a35274be774ec6314c73fa8a441a063efc32bf4765b4ea89d541ce4
ripemd-160
583fdc9d9badc860c9cdb1c57e99e03001709893
Diameter
37989822
Circumference
119348545.70638
Area
1.1335075018361E+15
Volume
2.8707832153612E+22
Surface area
4.5340300073444E+15
Circumference
119348545.70638
Perimeter
75979644
Area
360806643897921
Diagonal
26862860.75227
Surface area
2164839863387526
Volume
6.8534900890497E+21
Space diagonal
32900150.937249
Perimeter
56984733
Area
1.562338597349E+14
Altitude
16450075.468624
Surface area
1.562338597349E+14
Volume
8.0769155279364E+20
Height
8954286.9174233